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• consociations of a minimum size of less than one acre were delineated. 2. If soils were similar (i.e., low contrasting in physical and/or chemical properties and/or depths of suitable soil), consociations of a minimum size of one to two acres vrere delineated. 3. All snap units were correlated with existing Montrose County soil series, where possible. k'here soils vrere significantly different than the established sail series, these areas were classified and reported using variant, phase, and disturbed land terminology. Furthermore, each map unit eras fully described and the following items were addressed: - map unit symbol - map unit name - topsoil suitability - chemical and physical properties - slopes (their length, if important, and percentages) • - parent material - predominant vegetation type As an additional product, Peabody maintained a complete and legible field record which describes the soil characteristics for each hole that was dug during the basic soil mapping phase. This historical information, presented in Appendices 9-4-1 and 9-4-2, includes a numerical listing for each sample site and map unit name for each observation. It provides survey area wide data beyond the standard point-specific sampling data. This information is important for soil series range characteristics report discussions, as well as for more specific topsoil suitability evaluations and subsequent topsoil volume calculations. It also provides a written record of all field work that can be utilized in any subsequent field reviews initiated by Peabody or CMLRO personnel. All holes are appropriately numbered in the table and plotted on the base maps (Exhibit 9-5, Soil Sample Locations). • Map units were delineated on rectified aerial photograph base maps (scale = 1" = 400', Exhibit 9-4). The legend on the maps includes all 9-4-8 P.evised 11/01!86